/**
* Performs OAuth1 auth flow.
* @param OAuth1 $client auth client instance.
* @return Response action response.
*/
protected function authOAuth1($client)
{
// user denied error
if (isset($_GET['denied'])) {
return $this->redirectCancel();
}
if (isset($_REQUEST['oauth_token'])) {
$oauthToken = $_REQUEST['oauth_token'];
}
if (!isset($oauthToken)) {
// Get request token.
$requestToken = $client->fetchRequestToken();
// Get authorization URL.
$url = $client->buildAuthUrl($requestToken);
// Redirect to authorization URL.
return Yii::$app->getResponse()->redirect($url);
} else {
// Upgrade to access token.
$client->fetchAccessToken();
return $this->authSuccess($client);
}
}